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Flat cable and method for preparing the same

a flat cable and cable technology, applied in the field of flat cables, can solve problems such as application to sliding door sizes, and achieve the effect of stable production of thin and flexible flat cables and low cos

Inactive Publication Date: 2014-05-15
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is a flat cable that is flexible and can be arranged in narrow spaces like vehicles. The method for preparing this cable is cost-effective and allows for stable production of thin and flexible cables.

Problems solved by technology

Even if the flat cable thus obtained has been used as a component or part needed to meet extremely high flexibility characteristics (for example, ten million times or above), it has only limited application to a slidable door size of which can be largely reduced by adopting the flat cable.
However, in a case where the thermoplastic resin having elastic modulus of from 800 to 2400 Mpa is used, the conductor is hardly coated with the thermoplastic resin, or is not uniformly coated with the thermoplastic resin during the formation of a thin fiat cable.

Method used

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  • Flat cable and method for preparing the same
  • Flat cable and method for preparing the same

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Embodiment Construction

[0021]While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the drawings and are herein described in detail. It should be understood, however, that the description herein of specific embodiments is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

[0022]FIG. 1 is a cross-sectional view of a flat cable A in accordance with one embodiment of the invention.

[0023]Referring to FIG. 1, a flat cable is comprised of six conductors 1, which each have rectangular cross sections and are arranged parallel to each other, and an insulating layer 2 disposed over the six conductors. In other words, the conductors 1 are surrounded by the insulating layer 2. In this regard, the conductor 1 having rectangula...

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Abstract

The objective of the invention is to provide a thin and flexible flat cable suited for being arranged in a narrow space such as a vehicle, as well as, a method for stably preparing such a flat cable.To attain the objective, there is provided a flat cable which has a plurality of conductors which is arranged parallel to each other, and an insulating layer disposed over the plurality of conductors by extrusion molding. The insulating layer has Melt flow rate value of 2.0 g / 10 minutes or above at a molding temperature during the extrusion molding, and is formed of thermoplastic resin selected from the group consisting of polyolefin, polyphenylene ether, polyphenylene sulfide and a combination thereof.

Description

TECHNICAL FIELD[0001]The present invention relates to a flat cable, in particular, a flat cable which is prepared by extrusion molding.BACKGROUND ART[0002]A flat cable is used for, for example, electrical connection between a movable portion and a stationary portion due to its flexibility. In this case, the flat cable is highly flexible due to its intrinsic shape, only needs relatively small space, and is optionally suited for take-up. As a result, a flat cable can be used in a variety of applications including connection between movable portion such as a scanner head and printer head and a stationary portion such as a body portion, and a clock spring for a vehicle.[0003]Such a flat cable can be often prepared by a lamination process. For reference, JP H10-278206(A) has proposed such a lamination process. In accordance with the proposed process, a conductor is coated or covered with a composite sheet where a heat sealing layer formed of heat sealable resin is stacked on a base resin...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01B7/08H01B13/14
CPCH01B13/14H01B7/0823H01B13/144H01B3/301H01B3/427H01B3/441H01B7/08
Inventor YAMADA, MAKI
Owner YAZAKI CORP
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